20123928

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{25409}}^1$

素因数の和:25432

約数の個数: 48

約数和(自身を含む): 59459400

約数和(自身を除く): 39335472

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792, 25409, 50818, 76227, 101636, 152454, 203272, 228681, 279499, 304908, 457362, 558998, 609816, 838497, 914724, 1117996, 1676994, 1829448, 2235992, 2515491, 3353988, 5030982, 6707976, 10061964, 20123928]

約数ペア:

[(1, 20123928), (2, 10061964), (3, 6707976), (4, 5030982), (6, 3353988), (8, 2515491), (9, 2235992), (11, 1829448), (12, 1676994), (18, 1117996), (22, 914724), (24, 838497), (33, 609816), (36, 558998), (44, 457362), (66, 304908), (72, 279499), (88, 228681), (99, 203272), (132, 152454), (198, 101636), (264, 76227), (396, 50818), (792, 25409)]